:所有TFL业务部门均按照以下文件中证明的国际公认标准运营:
Certificate TFL Brazil, Sáo Leopoldo/RS (PDF, 661KB)
Certificate TFL Brazil, Sáo Leopoldo/RS (PDF, 631KB)
Certificate TFL China ISO 14001:2015 (PDF, 521KB)
Certificate TFL China ISO 9001:2015 (PDF, 285KB)
Certificate GB/T 28001-2011/OHSAS 18001:2007 (PDF, 922KB)
Certificate TFL France, Huningue (PDF, 76KB)
Certificate TFL Italy ISO 9001:2015 (PDF, 160KB)
Certificate TFL Quinn India PVT. LTD., Hyderabad (PDF, 43KB)
Certificate TFL India ISO 45001 : 2018 (PDF, 65KB)
Certificate TFL Quinn India ISO 14001:2015 (PDF, 65KB)